src/mathed/InsetMathFont.cpp

   1 /**
   2  * \file InsetMathFont.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "InsetMathFont.h"
  14
  15 #include "LaTeXFeatures.h"
  16 #include "MathData.h"
  17 #include "MathStream.h"
  18 #include "MathParser.h"
  19 #include "MetricsInfo.h"
  20
  21 #include <ostream>
  22
  23
  24 namespace lyx {
  25
  26 InsetMathFont::InsetMathFont(Buffer * buf, latexkeys const * key)
  27         : InsetMathNest(buf, 1), key_(key)
  28 {}
  29
  30
  31 Inset * InsetMathFont::clone() const
  32 {
  33         return new InsetMathFont(*this);
  34 }
  35
  36
  37 InsetMath::mode_type InsetMathFont::currentMode() const
  38 {
  39         if (key_->extra == "mathmode")
  40                 return MATH_MODE;
  41         if (key_->extra == "textmode")
  42                 return TEXT_MODE;
  43         return UNDECIDED_MODE;
  44 }
  45
  46
  47 bool InsetMathFont::lockedMode() const
  48 {
  49         if (key_->extra == "forcetext")
  50                 return true;
  51         return false;
  52 }
  53
  54
  55 void InsetMathFont::metrics(MetricsInfo & mi, Dimension & dim) const
  56 {
  57         FontSetChanger dummy(mi.base, key_->name);
  58         cell(0).metrics(mi, dim);
  59         metricsMarkers(dim);
  60 }
  61
  62
  63 void InsetMathFont::draw(PainterInfo & pi, int x, int y) const
  64 {
  65         FontSetChanger dummy(pi.base, key_->name.c_str());
  66         cell(0).draw(pi, x + 1, y);
  67         drawMarkers(pi, x, y);
  68         setPosCache(pi, x, y);
  69 }
  70
  71
  72 void InsetMathFont::metricsT(TextMetricsInfo const & mi, Dimension &) const
  73 {
  74         // FIXME: BROKEN!
  75         Dimension dim;
  76         cell(0).metricsT(mi, dim);
  77 }
  78
  79
  80 void InsetMathFont::drawT(TextPainter & pain, int x, int y) const
  81 {
  82         cell(0).drawT(pain, x, y);
  83 }
  84
  85
  86 docstring InsetMathFont::name() const
  87 {
  88         return key_->name;
  89 }
  90
  91
  92 void InsetMathFont::validate(LaTeXFeatures & features) const
  93 {
  94         InsetMathNest::validate(features);
  95         // Make sure amssymb is put in preamble if Blackboard Bold or
  96         // Fraktur used:
  97         if (key_->name == "mathfrak" || key_->name == "mathbb")
  98                 features.require("amssymb");
  99         if (key_->name == "text" || key_->name == "textnormal"
 100             || (key_->name.length() == 6 && key_->name.substr(0, 4) == "text"))
 101                 features.require("amstext");
 102         if (key_->name == "textipa")
 103                 features.require("tipa");
 104         if (key_->name == "ce" || key_->name == "cf")
 105                 features.require("mhchem");
 106 }
 107
 108
 109 void InsetMathFont::infoize(odocstream & os) const
 110 {
 111         os << "Font: " << key_->name;
 112 }
 113
 114
 115 } // namespace lyx